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VALVES AND VALVE SPRINGS
3. Measure:
• Spring tilt "a"
Out of specification → Replace.
CHECKING THE VALVE LIFTERS
1. Inspect:
• Valve lifter
Scratches/damage → Replace both lifters
and cylinder head.
INSTALLING THE VALVES
1. Apply:
• Molybdenum disulfide oil
Onto the valve stem and valve stem seal.
2. Install:
•Valves "1"
• Valve spring seats "2"
• Valve stem seals "3"
• Valve springs "4"
• Valve spring retainers "5"
• Install the valve "a" with the identification 33DI
on the intake side and the valve "b" with the
identification 33DE on the exhaust side.
• Install the valve springs with the larger pitch
"d" facing upward.
e. Smaller pitch
3. Install:
• Valve cotters
Install the valve cotters by compressing the
valve spring with the valve spring compressor
"1" and the valve spring compressor attach-
ment "2".
Spring tilt limit:
Intake:
2.5°/1.8 mm (0.070 in)
Exhaust:
2.5°/1.6 mm (0.062 in)
Valve spring compressor:
YM-04019/90890-04019
Valve spring compressor attach-
ment:
YM-04108/90890-04108